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Cias XSub-MathTime-2 HrsFull Marks - 401. Answer all the questions.(1x51(1) Ifa, Bare the zeroes of the polynomial f(x) = x² + x + 1, then findthe value of+?ii) Find the HCF of96 and 404 by prime factorization method?iii) If x = 1is zeroes of the polynomialf(x) = x-2x2 + 4x + k, writethe value of k?Vivi Given that HCF (306, 657) = 9, find LCM (306,657)(v) Find the value of kfor which the system of equations 2x + 3y =5 and 4x - ky = 10 has infinite number of solutions?122. Answer all the questions.Show that 5 - VŽ is irrationaldi Use Euclid's division algorithm to find the HCF of 196 and 3822 |
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Answer» iii) 96 and 404; 96/2=48/2÷24/2=12/2÷6/2=3: 404/2=202/2=101; lcm=2×2×2×2×2×3=2×2×2=8; lcm 404=2×2×101=2×101 x^3-2x^2+4x+k; x=1;; (1)^3-2(1)^2+4(1)+k=1-2+4+k=-1+4+k; ; k=-3 |
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