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  • if $\sqrt{a}-1 / \sqrt{a}=6$, find the value of $a^2+1 / a^2(a>1)$Option: 1 1162Option: 2 <

if $\sqrt{a}-1 / \sqrt{a}=6$, find the value of $a^2+1 / a^2(a>1)$

Option: 1

1162


Option: 2

1442


Option: 3

1158


Option: 4

942


Answers (1)

best_answer

Squaring both side

a+1/a = 38

Squaring both sides

a2+1/a2= 1442

option B

Posted by

seema garhwal

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