p(asin alpha ,acos alpha) and Q(acos alpha,-a sin alpha) find its diatance coordinate geometry
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this is Ur required result in attachment
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NN7:
can u please explain that root under 2 a sq= root 2 a? how?
pls..
since (2a^2) ^1/2. =( 2) ^1/2 * a^2/2. = root 2 *a
sorry i cant understand
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