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A ball projected with a velocity of 2...

A ball projected with a velocity of 28 m/sec has a horizontal range 40 m. Find the two angles of projection.

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
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  14. Prove that the curves "x"="y"^2 and "x y"="k" intersect at right ang...

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  15. Using properties of determinants, prove that following |(a+b+2c,a,b),(...

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  18. If "f"("x")=sqrt((sec"x"-1)/(secx+1))" " find "f '"("x")dot Also fin...

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