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(a)Define a parabola and derive its equa...

(a)Define a parabola and derive its equation in the standard form `y^2=4ax`

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SUBHASH PUBLICATION-SUPER MODEL QUESTION PAPER -PART - D
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  5. If A+B+C=pi, prove that sin 2A+sin 2B+sin 2C=4 sinA sin B sinC.

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  6. Find the equation of lines passing through the origin and making 45^(@...

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  7. Find the sum to n terms of the series (1)/(1xx2) +(1)/(2xx3)+(1)/...

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  8. (a)Define a parabola and derive its equation in the standard form y^2=...

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  9. 1/1.4+1/4.7+1/7.10+...+1/((3n-2)(3n+1))=n/((3n+1)) forall n in N.

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  10. A committee of 7 has to be formed from 9 boys and 4 girls. In how many...

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  11. State and prove Binomial theorem for a positive integer index.

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  13. Find the general solution of (2+sqrt3)cos theta+sin theta=1

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  14. Find the image of the point (3, 8) w.r.t the line x+3y=7, assuming the...

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  15. Verify by the method of contradiction that sqrt7 is irrational number

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  16. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5...

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