Question

1. If x+y=12 and xy = 32, Find the
value of x+y.
2

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

3. Write the following cubes in the
expanded form:
(i) (3a + 4b)3
(ii) (5p - 39)

4. If x + 1/x = 27 ,find the values of
each of the following:
1
(i)
(ii)
X
Q.
1
= 4,

5. If *
then evaluate x2+1/x?

6. If a + b + c = 15 and a² + b2 + c = 83,
find the value of a3 + b3 + c3 - 3abc.​

Answer 1

Answer:

your first answer is x=4 & y=8

Answer 2

Answer:

Step-by-step explanation:

1. x+y=12

xy=32

x+y=12