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The equations of the two common tangents...

The equations of the two common tangents to the circle `x^(2) +y^(2)=2a^(2)` and the parabola `y^(2)=8ax ` are-

A

`x=pm(y+2a)`

B

`y=pm(x+2a)`

C

`x=pm(y+a)`

D

`y=pm(x+a)`

Text Solution

Verified by Experts

The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 3
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  2. The equation of the tangent to the curve y= be^(-(x)/(a)) at the poin...

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  3. The equations of the two common tangents to the circle x^(2) +y^(2)=2a...

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  4. If the curve y= a sqrt(x) + bx passes through the point (1, 2) and t...

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  5. The area (in square unit ) bounded by the curve y= sinx between the o...

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  9. If the area above the x-axis bounded by the curve y=2^(kx) and the lin...

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  10. If the line x+y =1 is a tangent to the parabola y^(2)-y +x=0, then th...

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  11. The angle between the curves y= sin x and y= cos x is-

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  12. The function f(x)=cos x - 2ax is monotonically decreasing when-

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  14. The function f(x)=x^(3) +3x^(2) +4x+7 is increasing for-

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  15. If x+y=60, x, y gt 0, then the maximum value of xy^(3) is-

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  16. The points of extrema of f(x)= int(0)^(x) (sin t)/(t)dt in the domain ...

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  19. The maximum value of the function f(x)=3 cos x - 4 sin x is-

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