Math, asked by Neerav34, 1 year ago

what is wrong in this.....

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Answered by Anonymous

4th step is wrong.
The formula is "a^2 - b^2 = (a+b)(a-b)
But here both 10^2 are same, so there is no b variable.
Thus, this identity cannot be used here.

Answered by ManuKushwah

u cannot cut zero by zero agar aisa hota phir to Sab kuch possible hota

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