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Find the value of p for which the vector...

Find the value of p for which the vectors `3hat(i) + 2hat(j) + 9hat(k)` and `hat(i) - 2p hat(j) + 3hat(k)` are parallel.

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For what value of lambda , the vectors hat(i) + 2lambda hat(j) + hat(k) and 2hat(i) + hat(j) - 3hat(k) are perpendicular ?

SHARAM PUBLICATION-MODEL QUESTION PAPER-2-EXERCISE
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  2. Find the differential equation whose solution is y = a cos 2x + b sin ...

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