Ncert -Maths-Polynomials- SET A Welcome to your Ncert -Maths-Polynomials- SET A 1. 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 7 4 3 6 None 2. Identify the zeroes of the given polynomial.p(z)=4z²-15zπ- 4π³ -4π, 4/ π 4π, −π /4 4π, 4/ π -4π, -4/ π None 3. If the sum of two roots of the equation X³−px²+qx−r=0is zero, then pr=q pqr=1 pq=r qr=p None 4. If the graph of y=ax³+bx²+cx+d is symmetric about the line x=K then the value of a+K is -c/2b C²-bd C -b/2a None 5. Use identities to solve: (97)² 9,009 9,659 9,209 9,409 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) (0, 4) None None 7. Find the zero of the polynomial given below: p(x)=9x−3. 7/3 6/7 1/2 1/3 None 8. Use the identity (a+b(a−b)=a² -b² to evaluate:33×27. 981 891 881 841 None 9. If zeroes of polynomial P(x)=ax² +3bx² +3cx+dare in A.P, then 2b³ −3abc+a²d is equal to None 3 -3 0 None 10. 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: 0 -120 120 6 None 11. 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 12. The number of polynomials having zeroes as −2 and 5 is? More than 3 0 3 1 None 13. The linear polynomial p(x)=7X-3 has the zero.... -3/7 3/7 7/3 -7/3 None 14. Zero of the polynomial p(x)= √3x+3 is -√3 3√3 3/√3 -√3/3 None 15. Number of root of equation 3|x|-|2-x|=1 is 4 0 2 7 None 16. If p(x)= x³ −4x²+5x−2, then p(2) is: 0 3 5 8 None 17. If the sum of two roots of the equation x³ px² +qxr=0 is zero , then pr = q qr = p pqr = 1 pq = r None 18. The smallest integral value of a for which the equation x³ -x² +ax-a=0 have exactly one real root, is 1 2 0 -1 None 19. The zeros of the polynomial X²−9 are -3,-3 3,3 -3,3 3,-3 None 20. 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 7 8 5 6 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.