Question

(a+b)²=a²+2ab+b²

Prove it.​

Answer 1

Answer:

5=9

Explanation:

take some numbers like..

let a =1 and b = 2 and now substitute the values which you have taken in the identity.

(1+2)²=1²+2²+2×1×2

and now solve the L.H.S and the R.H.S. and see that L.H.S is equal to R.H.S.

1+4=1+4+4

5=9

therefore the L.H.S is not equal to R.H.S because the formula is wrong actually the formula is (a+b)²=a²+2ab+b²

Answer 2

Answer:

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