Find minimum value of `px+qy` where `p>0, q>0, x>0, y>0` when `xy=r,^2` without using derivatives.

Find minimum value of `px+qy` where `p>0, q>0, x>0, y>0` when `xy=r,^2` without using derivatives.
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Find minimum value of `px+qy` where `p>0, q>0, x>0, y>0` when `xy=r,^2` without using ... `pqsqrtr` B. `2pqsqrtr` C. `2rsqrtpq` D. None of these
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Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and exactly opposite to Q. II. P is 2nd to the left of W. III. S and R are facing each other as well R & Y are neighbors. Who are all females in the given arrangement? a) S, Q, R, W b) P, Q, Y, W c) P, Q, R, W d) P, Q, R, S

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Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

Description : Which of the points P(0, 3), Q(l, 0), R(0, – 1), S(-5, 0) and T(1, 2) do not lie on the X-axis ? -Maths 9th

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If a, b, c be the p^th, q^th, r^th terms of a GP, then the value of (q – r) log a + (r – p) -Maths 9th

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If pqr = 1, the value of (1)/([1+p+q^-1]) + (1)/([1+q+r^-1])+ (1)/([1+r+p^-1]) will be equal to : -Maths 9th

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In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit between points P and Q is also equa

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