Question

Std. IX Maths Part -(1)
-2-
A
Q.2 A) 3) What is the value of the polynomial 2x3 + 2x when x= =-1?
a) 4
b) 2
c) – 2
d) -4
4) What is the co-efficient form if the polynomial x - 1?
a) (1, -1) b) (3,-1) c) (1,0,0, -1) d) (1, 3, -1)
4
B) Solve any two subquestions of the following.
1) If n(A)=7, n(B)= 13, n(An B)=4 then n (AUB)= ?
2) Write the number 7 in the decimal form. 3.285714
3) Find the value of the polynomial 2x2 – 3x + 5 when x-2.
23
4
Q.3 A) complete the following activities. (Any two)
1) Find the remainder, when the polinomial P(x)=(x² + 4x5) is
divided by (x-1).
Solution: P(x) = x + 4x - 5
-13+45-5​

Answer 1

Answer:

THE CORRECT ANSWER IS -2 SURELY