Math, asked by sana660, 9 months ago

If a^2-5a-1 =0 and a is not equal to 0 find : 1. a - 1/a

Answers

Answered by mahinmushfiqur

0

by using formula,

x= [-b (+-)√(b²-4ac) ] ÷ 2a

where, x is from equation,

a²x+bx+c=0

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