Use the Chain Rule to find the indicated partial derivatives. x = r cos(0), y = r sin(0), z = re; w = xy + yz + zx, dw dw ar' a0 when r = 6, 0 = 2 dw ar aw дө || శశ్ శ్శి

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Q: 2. Find five arithmetic means between 12 and 21-6.

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