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If the roots of the equation ax^2+bx+c=0...

If the roots of the equation `ax^2+bx+c=0 (a!=0)`are reciprocal to each other then a) a=b b) a=c c) b=c d) `b^2=4ac`

A

a=b

B

a=c

C

b=c

D

`b^2= 4ac`

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UNITED BOOK HOUSE-GHORANASH HIGH SCHOOL -EXERCISE
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  2. If the roots of the equation ax^2+bx+c=0 (a!=0)are reciprocal to each ...

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  3. If the length of tangent to the cirlce with centre O from any point P ...

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  4. The height and volume of a solid right circular cylinder are 7 cm and ...

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  5. If sin 2theta= 1/2 then theta=

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  6. Find the value of overset(10)underset(i=1)sum(10xxi).

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  7. Fill in the blanks : In a business Bimal invests Rs 1800 and Biplab ...

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  8. Fill in the blanks : If A:B = 3:2, B:C = 3:5 then A:B:C =

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  9. In ABCD is a cyclic parallelogram then angleA=

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  10. Fill in the blanks : If the radius of a shpere is r unit then its v...

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  11. Fill in the blanks : If tan 2 theta. tan 3 theta=1 then value of the...

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  12. Fill in the blanks Mean, median, mode are the measure of.

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  17. Write True or False : If x = 3cos theta and y = 3 sin theta then x^2...

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  18. Write True or False : Median of 4,6,4,5,7,8,5,9,5,7 is 4.

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  19. Total amount (principal+compound interest) in 2 years of Rs 400 is Rs ...

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  20. In a business A and B get ₹ 1,050 as profit. If the principal and prof...

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