Ncert -Maths-Polynomials- SET A Welcome to your Ncert -Maths-Polynomials- SET A 1. If the sum of two roots of the equation x³ px² +qxr=0 is zero , then pr = q pqr = 1 pq = r qr = p None 2. If p(x)= x³ −4x²+5x−2, then p(2) is: 8 5 3 0 None 3. Use identities to solve: (97)² 9,409 9,009 9,659 9,209 None 4. Zero of the polynomial p(x)= √3x+3 is 3√3 3/√3 -√3/3 -√3 None 5. The number of polynomials having zeroes as −2 and 5 is? 3 1 More than 3 0 None 6. For equation x³−6x² +9x+k=0 to have exactly one root in (1, 3), the set of values of k is (-4, 0) (1, 3) None (0, 4) None 7. Find the zero of the polynomial given below: p(x)=9x−3. 1/2 7/3 6/7 1/3 None 8. Number of root of equation 3|x|-|2-x|=1 is 4 0 7 2 None 9. If the sum of two roots of the equation X³−px²+qx−r=0is zero, then pr=q qr=p pqr=1 pq=r None 10. The zeros of the polynomial X²−9 are -3,-3 3,-3 -3,3 3,3 None 11. Let f(x) be a polynomial of degree 5 with leading coefficient unity, such that f(1)=5,f(2)=4,f(3)=3,f(4)=2 and f(5)=1, then f(6) is equal to: 120 0 -120 6 None 12. Use the identity (a+b(a−b)=a² -b² to evaluate:33×27. 891 981 841 881 None 13. If zeroes of polynomial P(x)=ax² +3bx² +3cx+dare in A.P, then 2b³ −3abc+a²d is equal to -3 0 None 3 None 14. If the graph of y=ax³+bx²+cx+d is symmetric about the line x=K then the value of a+K is -b/2a C C²-bd -c/2b None 15. The expansion $$\frac{1}{\sqrt{4x+1}}\left [ \left ( \frac{1+\sqrt{4x+1}}{2} \right )^{7} -\left ( \frac{1-\sqrt{4x-1}}{2} \right )^{7}\right ] $$polynomial in x of degree 3 6 7 4 None 16. The expression $$\left [ x +(x^{3}-1)^{1/2}\right ]^{5} + \left [ x-\left ( x^{3} -1\right )^{1/2} \right ]^{5}$$is a polynomial of degree 5 6 7 8 None 17. Identify the zeroes of the given polynomial.p(z)=4z²-15zπ- 4π³ 4π, −π /4 4π, 4/ π -4π, -4/ π -4π, 4/ π None 18. α,β,γ be the zeroes of the expression$$ax^{3} +bx^{2} + 4x + 7$$, then the value of αβ+βγ+γα is: -4/α 4/α -4 None None 19. The smallest integral value of a for which the equation x³ -x² +ax-a=0 have exactly one real root, is -1 1 0 2 None 20. The linear polynomial p(x)=7X-3 has the zero.... -7/3 3/7 7/3 -3/7 None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.