tanjung
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Questions Answered

tanjung:
Group Title
find all integers of n such that :
sqrt(50+sqrt(n)) + sqrt(50sqrt(n)) is an integer number.
 updated yesterday
 3 replies
 2 Medals
Mathematics

tanjung:
Group Title
All pairs integers (m, n) such that 2^(m+1) + 3^(n+1) is perfect square
 updated 15 days ago
 11 replies
 1 Medal
Mathematics

tanjung:
Group Title
integral
 updated 24 days ago
 8 replies
 3 Medals
Mathematics

tanjung:
Group Title
a+b+c+d=2
a^2+b^2+c^2+d^2=6
ab+cd=5
…
 updated 25 days ago
 8 replies
 1 Medal
Mathematics

tanjung:
Group Title
how many solution of n (integer positive) so that n^2 + (n+1)^2 be a perfect square, with n < 200
 updated one month ago
 37 replies
 4 Medals
Mathematics

tanjung:
Group Title
ABCD is a square (look at the pic)
a + b + c <= 12 with a,b,c are positive integer, how many solution satisfying that equation ?
 updated one month ago
 19 replies
 2 Medals
Mathematics

tanjung:
Group Title
p^34p+9 is a perfect square number find the value of p, for p is positive integer
 updated one month ago
 29 replies
 2 Medals
Mathematics

tanjung:
Group Title
(i). F(1) = 1
(ii). F(1) + 2F(2) + 3F(3) + ... + nF(n) = n(n + 1)F(n)
for n > 2 calculate the value of F(2015)
 updated one month ago
 11 replies
 3 Medals
Mathematics

tanjung:
Group Title
in how many ways can 9 students be exactly divided into 3 teams
 updated one month ago
 28 replies
 2 Medals
Mathematics

tanjung:
Group Title
all values of n such that n^4  51n^2 + 225 is a prime number with n is integer number ?
 updated one month ago
 12 replies
 2 Medals
Mathematics

tanjung:
Group Title
given f(x) = x^2 + 4. for x and y are real positif number thas satisfying f(xy) + f(y − x) = f(y + x). find the maximum value of x + y
 updated one month ago
 25 replies
 5 Medals
Mathematics

tanjung:
Group Title
all the threedigit numbers for which one obtains, when dividing the number by 11, the sum of the squares of the digits of the initial numbe…
 updated one month ago
 6 replies
 2 Medals
Mathematics

misspacgirl14:
Group Title
Simple Integral Question!
 updated one month ago
 12 replies
 6 Medals
Mathematics

tanjung:
Group Title
solve for a,b,c
(a + c)(a  c) + (b+2c)(b  2c) = 2015
with a,b,c are natural number
 updated one month ago
 44 replies
 2 Medals
Mathematics

mathmath333:
Group Title
geometry question
que.)…
 updated one month ago
 24 replies
 1 Medal
Mathematics

tanjung:
Group Title
all pairs (a,b) of positive integer satisfying :
(a^2 + b)(a^2*b+a) and (b^2  a)(ab^2 + b)
 updated 2 months ago
 48 replies
 4 Medals
Mathematics

tanjung:
Group Title
just want know. how to input on wolfram :
2x + 3y = 5
5x  y = 6
 updated 2 months ago
 4 replies
 1 Medal
Mathematics

tanjung:
Group Title
integral sqrt(1 + sin(2x)) dx
 updated 2 months ago
 13 replies
 1 Medal
Mathematics

tanjung:
Group Title
(OB)^2 = ...
 updated 2 months ago
 14 replies
 3 Medals
Mathematics

tanjung:
Group Title
how many order pair (x,y) with x, y are integer number such that 1 + 2^x + 2^(2x+1) = y^2
 updated 2 months ago
 59 replies
 5 Medals
Mathematics

tanjung:
Group Title
What is the largest positive integer such that each digit is at least the sum of all
the digits to its left ?
 updated 2 months ago
 13 replies
 3 Medals
Mathematics

tanjung:
Group Title
the 3 numbers 1428, 2134, and 2850 has the same remainder y when they all divided by x. the possible value of x + y = ....
 updated 2 months ago
 21 replies
 2 Medals
Mathematics

tanjung:
Group Title
still stuck...
 updated 2 months ago
 48 replies
 3 Medals
Mathematics

tanjung:
Group Title
how many order (a,b) such that :
(a^3 + 1)/(ab  1) is an integer
with a, b are integer number
 updated 2 months ago
 75 replies
 4 Medals
Mathematics

tanjung:
Group Title
value inverse of f(x)
 updated 2 months ago
 13 replies
 4 Medals
Mathematics

tanjung:
Group Title
(n^4 + n^3 + 1) is a square number for n positive integer. how many of n be satisfied ?
 updated 2 months ago
 8 replies
 3 Medals
Mathematics

tanjung:
Group Title
find the solution of :
 updated 2 months ago
 23 replies
 7 Medals
Mathematics

tanjung:
Group Title
supposed a and b are the 2 sides of a right triangle such that satisfying value of :
…
 updated 2 months ago
 9 replies
 3 Medals
Mathematics

tanjung:
Group Title
a and b are real (+), and two equations of x^2 + ax + 2b = 0 and x^2 + 2bx + a = 0 has real roots. find the minimum value of a + b = ... ?
 updated 2 months ago
 8 replies
 2 Medals
Mathematics

tanjung:
Group Title
a, b, and c are sides of a triangle, with a, b, and c are integers. how many triangles which has the perimeter same with its area ?
 updated 3 months ago
 6 replies
 1 Medal
Mathematics

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