Q.1 यदि m2 - 9m +k = 0 का एक मूल 3 हो तो दूसरा मूल ज्ञात करे । RRB, GROUP -D.@-learningplatform

Q.1 यदि m2 - 9m +k = 0 का एक मूल 3 हो तो दूसरा मूल ज्ञात करे । RRB, GROUP -D.@-learningplatform
quadratic equation
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