1.

If m+n=5 and mn=6, find the value of m-n

Answer»

Answer:

1

Step-by-step EXPLANATION:

(m+N)² = m² + n² + 2mn

5² = m² + n² + 2 × 6

25 - 12 = m² + n²

m² + n² = 13

(m - n)² = m² + n² - 2mn

= 13 - 2 × 6

= 1

(m -n)² = 1

so m - n = root 1 ie 1



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