Ncert -Maths-Polynomials- SET A Welcome to your Ncert -Maths-Polynomials- SET A 1. If the graph of y=ax³+bx²+cx+d is symmetric about the line x=K then the value of a+K is C -b/2a C²-bd -c/2b None 2. The zeros of the polynomial X²−9 are -3,-3 -3,3 3,-3 3,3 None 3. 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 8 6 7 5 None 4. Use identities to solve: (97)² 9,409 9,009 9,209 9,659 None 5. If p(x)= x³ −4x²+5x−2, then p(2) is: 3 8 0 5 None 6. If zeroes of polynomial P(x)=ax² +3bx² +3cx+dare in A.P, then 2b³ −3abc+a²d is equal to None 0 -3 3 None 7. 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 4 3 6 7 None 8. 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 None -4 None 9. If the sum of two roots of the equation x³ px² +qxr=0 is zero , then pqr = 1 qr = p pq = r pr = q None 10. Use the identity (a+b(a−b)=a² -b² to evaluate:33×27. 981 891 881 841 None 11. The smallest integral value of a for which the equation x³ -x² +ax-a=0 have exactly one real root, is -1 1 2 0 None 12. 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: 6 0 -120 120 None 13. Find the zero of the polynomial given below: p(x)=9x−3. 7/3 1/3 1/2 6/7 None 14. If the sum of two roots of the equation X³−px²+qx−r=0is zero, then pqr=1 pq=r qr=p pr=q None 15. Zero of the polynomial p(x)= √3x+3 is -√3/3 3√3 3/√3 -√3 None 16. The number of polynomials having zeroes as −2 and 5 is? 3 0 More than 3 1 None 17. The linear polynomial p(x)=7X-3 has the zero.... -7/3 -3/7 3/7 7/3 None 18. For equation x³−6x² +9x+k=0 to have exactly one root in (1, 3), the set of values of k is (0, 4) (-4, 0) None (1, 3) None 19. Number of root of equation 3|x|-|2-x|=1 is 0 2 7 4 None 20. 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 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.