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Q 25 If (m? - 7m - 3) = 0, then determine the value of (m - m 1). Given m |
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Answer» Answer: MATHS For what VALUE of 'm', the equation (3m+1)X +2(m+1)x+m=0 have EQUAL root? MEDIUM Help BEST friend Study later ANSWER for equal roots D=b 2 −4ac=0 ⇒[2(m+1)] 2 −4m(3m+1)=0 ⇒m 2 +2m+1−3m 2 −m=0 ⇒−2m 2 +m+1=0 ⇒2m 2 −m−1=0⇒(m−1)(m+ 2 1
)=0 ⇒ m=1, 2 −1
solution How satisfied are you with the |
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