Math, asked by shivanisinha0612, 4 days ago

please solve the third and Fourth questions for me it's urgent.

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Answers

Answered by somyaranjann868

1

Step-by-step explanation:

question no (iii) is 38.

x²-1\x²

=(x⁴-1)\x²

={(x²-1)²+2x}\x²

={(x²+1)²+2x-4x}\x²

={(x²+1)²-2x}\x²

=(x⁴+1)\x²

=x²+1\x²

=38

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