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If one root of x2+ax+8=0 is 4 and the equation x2+ax+b=0 has equal roots, then the value of b=

Babu , 6 Years ago
Grade 9
anser 1 Answers
Saurabh Koranglekar

Last Activity: 6 Years ago

24+4a = 0

a=-6

eq 2

x^2 – 6x + b = 0

b=9

ie (x-3)*(x-3)

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