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If one zero of the polynomial $x^2-3kx + 4k$ be twice the other, then the value of $k$ is:
- (a)$-\frac{1}{2}$
- (b)$2$
- (c)$\frac{1}{2}$
- (d)$-2$
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(b) $2$
CBSE Class 10 Maths PYQ · Polynomials · Relationship of Zeros and Coefficients · 1 Mark · March 2023 · Standard
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