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If x, y , in , R , then the value of th...

If `x, y , in , R `, then the value of the determinant
`A=[{:((5^x+5^(-x))^2,(5^x-5^(-x))^2,1),((6^x+6^(-x))^2,(6^x-6^(-x))^2,1),((7^x+7^(-x))^2,(7^x-7^(-x))^2,1):}]` is

A

10

B

12

C

1

D

0

Text Solution

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The correct Answer is:
D
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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2018-MATHEMATICS
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