Let x, y, z be variables such that (x + y + z) = k, where k is a constant. If (x + z - y) × (x - z + y) is proportional to yz, then (y + z - x) is proportional to:
x
By analyzing the proportionality conditions, we find that (y + z - x) is proportional to x. Hence, the correct answer is (a) x.
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In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
I. x2 – 26x + 165 = 0
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