CBSE Class 12-science Answered
determinant
Asked by kreetisinghktt | 04 Feb, 2024, 07:50: PM
Expert Answer
f(x) = (x+1) { (x+2)(x+4) -15 } -3 { 2(x+4)-10}+5 { 6 - 2(x+2)} = 0
f(x) = x3 + 7 x2 -17x + 9 = 0
f(x) = (x-1) (x-1) (x+9) = 0
hence x = 1 or x = -9
Answered by Thiyagarajan K | 05 Feb, 2024, 09:13: AM
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