3
If $x = 0.3$, is a root of the equation $x^2 -0.9k = 0$, then $k$ is equal to :
- (a)$1$
- (b)$0.1$
- (c)$10$
- (d)$100$
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(c) $0.1$
CBSE Class 10 Maths PYQ · Quadratic Equations · verify the solution of quadratic equation · 1 Mark · March 2023 · Standard
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