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Whats mistake is done here???

(6)^2=(-6)^2 => 6=-6 => 1=-1

Note by Pratik Raj
3 years, 1 month ago

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Taking square gives ± sign and we will take minus because we have to assume that 6 ≠ -6 Krishna Sharma · 3 years, 1 month ago

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Square root cancels sign And if removing power from squares, then sign of either side remains same Divas Mayank · 3 years, 1 month ago

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2 step is wrong. Arsalan Ali · 3 years, 1 month ago

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