Question

MATHEMATICS
Ch1,2 NUMBER SYSTEM AND POLYNOMIALS
1. If x + y = 12 and xy = 32, Find the value of x' + yº.
2. If 3x + 2y = 12 and xy = 6, find the value of 9x + 4.
3. Write the following cubes in the expanded form:
(0) (3a + 4b)
(ii) (5p - 39)
4. If x? + 1/x² = 27 ,find the values of each of the following:
0
1
(ii)​

Answer 1

Answer:

MATHEMATICS

Ch1,2 NUMBER SYSTEM AND POLYNOMIALS

1. If x + y = 12 and xy = 32, Find the value of x' + yº.

2. If 3x + 2y = 12 and xy = 6, find the value of 9x + 4.

3. Write the following cubes in the expanded form:

(0) (3a + 4b)

(ii) (5p - 39)

4. If x? + 1/x² = 27 ,find the values of each of the following:

0

1

(ii)

Answer 2

Answer:

1

(ii) 2x - 2 -

2x – 2-3x -3--(7x+7 – 5x – 5)= 7

3.

4