without solving the following quadratic equation find the value of m for which the given equation has real and equal roots X square + 2(m-1)x+(m+5)=0
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b^2=4ac
(2(m-1))^2=4×1×(m+5)
by solving this we get m=3 or m=1
(2(m-1))^2=4×1×(m+5)
by solving this we get m=3 or m=1
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