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Let P and Q are two points on the curve ...

Let P and Q are two points on the curve `y=log_((1)/(2))(x-0.5)+log_2sqrt(4x^(2)-4x+1)` and P is also on the circle `x^(2)+y^(2)=10`. Q lies inside the given circle such that its abscissa is an integer.
Q. `OP*OQ`, O being the origin is
a. 4 or 7
b. 4 or 2
c. 2 or 3
d. 7 or 8

A

4 or 7

B

4 or 2

C

2 or 3

D

7 or 8

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The correct Answer is:
A
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  6. Let P, Q are two points on the curve y = log(1/2) (x-0.5)+log2 sqrt(4x...

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  7. Let P and Q are two points on the curve y=log((1)/(2))(x-0.5)+log2sqrt...

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  8. Let P, Q are two points on the curve y = log(1/2) (x-0.5)+log2 sqrt(4x...

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  10. If a, b, c are three given non-coplanar vectors and any arbitratry vec...

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  11. If a, b, c are three given non-coplanar vectors and any arbitratry vec...

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  12. If a, b, c are three given non-coplanar vectors and any arbitratry vec...

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  13. Let g(x)=int0^x(3t^(2)+2t+9)dt and f(x) be a decreasing function fora...

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  14. Let g(x)=int0^x(3t^(2)+2t+9)dt and f(x) be a decreasing function fora...

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  15. Let x, y, z be the vector, such that |x|=|y|=|z|=sqrt(2) and x, y, z m...

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