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