Math, asked by meetramjiani12, 1 year ago

If the value of a2+1/a2 is 786, then the value of a -1/a2 is____​

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Answers

Answered by enchantedsword007
2

Answer:

±28

Step-by-step explanation:

A²+1/A²=786

A²+1/A²-2(A×1/A) + 2(A×1/A)=786

(A-1/A)²+2=786

(A-1/A)²=786-2=784

A-1/A=±√784=±28

Cheers !

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