Math, asked by aaastha14, 9 months ago

. If = 2−√5/2+√5 and = 2+√5/2−√5 find the value of square − square.

Answers

Answered by ahmedps
1

Step-by-step explanation:

A²-b²

=[2-√5/2+√5]²-[2+√5/2-√5]²

=[2-√5]²/[2+√5]²-[2+√5]²/[2-√5]²

=[4+5-4√5/4+5+4√5]-[4+5+4√5/4+5-4√5]²

=[9-4√5/9+4√5]-[9+4√5/9-4√5]

=[9-4√5]²-[9+4√5]²/9²-[4√5]²

=81+80-72√5-81-80-72√5/81-80

=-144√5/1

=-144√5

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RYAN AHMED

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