Question

Find the value of( m) for which the equation x?+5mx+16=0 has equal
roots.
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Answer 1

The value of m is ±8/5......

Answer 2

Answer: when the roots are real and equal,

Then ,b²-4ac=0

Given the equation is x²+5mx+16=0

(5m)²-64=0

25m²-64=0

25m²=64

m²=64/25

m=±8/5

Explanation:

Hope it helps you frnd......