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The number of real roots of (x + 3)4 + (x + 5)4 = 16 is …..(a) 4 (b) 2 (c) 3 (d) 0 |
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Answer» (a) 4 The equation is (x + 3)4 + (x + 5)4 = 16 (x + 3)4 + (x + 5)4 = 24 This is biquadratic equation. It has 4 roots. |
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