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let a be 3
let b be 4
then 3+4=7
3^2-2(3)(4)+4^2
9-12+8
let b be 4
then 3+4=7
3^2-2(3)(4)+4^2
9-12+8
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this is the right one.
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googleuser687:
2ab kaise aya?
Yeh formula se aaya
(a^2 + b^2) = (a + b)^2 - 2ab
bracket k bahar 2ab kise
hai
soory bracket k bahar ab kasie aya???
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