Math, asked by masterdevil10032007, 2 months ago

1
1
11. If a -
= 8 and a #0; find :
a

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Answers

Answered by amitsharma777222999

2

Answer:

(a-1/a)^2=64

a^2+1/a^2-2=64

a^2+1/a^2=66

(a+1/a)^2=a^2+1/a^2+2

=66+2=68

(a+1/a)=√68 or -√68

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