CBSE Class 10 Answered
If m and n are zeroes of the polynomial 3x^2 + 11x – 4, find the value of m/n + n/m answer given earlier is wrong
Asked by Marie | 03 Feb, 2020, 04:33: PM
Expert Answer
3x2 + 11x – 4
Here,. a = 3, b = 11, c = -4
m + n = -b/a = -11/3
mn = c/a = -4/3
m/n + n/m = (m2 + n2)/mn
To find m2 + n2 = (m + n)2 - 2mn we get m2 + n2 = 145/9
m/n + n/m = (m2 + n2)/mn = (145/9) × -3/4 = -145/12
Answered by Sneha shidid | 04 Feb, 2020, 10:55: AM
CBSE 10 - Maths
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ANSWERED BY EXPERTCBSE 10 - Maths
Asked by Marie | 03 Feb, 2020, 04:33: PM
ANSWERED BY EXPERT
