togoodtobetrue4u
Please help on this problem
What is (48 + 52)² = 48² + 2(48)(52) + 52²?
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jiteshmeghwal9
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\(\Huge{(a+b)^2=a^2+b^2+2ab}\)
RolyPoly
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(48 + 52)² = 48² + 2(48)(52) + 52² is simply (a+b)² + 2ab + b², where a = 48, b =52
If you want to get the value, you can simply add 48+52, then take the square of the answer. It is a nice answer!
jiteshmeghwal9
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this question use this identity :)
togoodtobetrue4u
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so is the answer 5144
RolyPoly
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What is 48+52?
RolyPoly
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what is 100²?
jiteshmeghwal9
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|dw:1352008779074:dw|
jiteshmeghwal9
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\(100^2=100\times100\)
jiteshmeghwal9
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what is 100*100 ?
jiteshmeghwal9
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@togoodtobetrue4u ??
togoodtobetrue4u
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100,000 right
RolyPoly
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Not really.
togoodtobetrue4u
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Then I'm confused
RolyPoly
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100 x 100 = ...?!
togoodtobetrue4u
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sorry it is 10,000
RolyPoly
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Yes :)