Question

1. Find the degree of the expression x3 + xy2 + x3y
3 + 2 y5
?
2. Find the coefficient of x2 in the expression 2 x2 + x – ( 1 – x
2
) + 7

3. Add the following expressions:
a) 5a – 7b. 3b - 4a + 2 and 2a – 3ab – 5
b) 4 x2y, -3 xy2.
, - 5xy2
, 5 x2y

c) 3 p2q
2 – 4 pq + 5, -10 p2q
2
, 15 + 9pq + 7 p2q
2

4. Subtract:
a) 5 a2 – 7 ab + 5 b2

from 3 ab – 2 a2 – 2 b2

b) 4 pq – 5 q2 – 3 p2

from 5 p2

+ 3q2 – pq
5. What should be added to x2 + xy + y2

to obtain 2 x2 + 3 xy?
6. What should be subtracted from 2 a + 8 b + 10 to get -3a + 7b +16?
7. What should be taken away from 3 x

2 – 4 y2 + 5 xy + 20 to obtain – x
2
- y
2 +

6 xy + 20?
8. If p = -2 find the value of – 2 p3 – 3 p2 + 4 p + 7?
9. If a =2, b = -2, find the value of a2 + ab + b2
?

10.Find the perimeter of the triangle whose sides are 4a + 7b – 6c, 3a + 7b -11c
and 2a -b +3c ?
11.The perimeter of a triangle is 8 + 13 a + 7 a2

and two of its sides are
2 a2 + 3a + 2 and 3 a2 – 4 a – 1. Find the third side of the triangle.
12.Subtract the sum of 3 a2 – 2 a + 5 and a2 – 5 a - 7 from the sum of 5 a2 – 9 a
+ 3 and 2 a - a
2 – 1.

13.The salary of Raju is ₹(4x + 3y). If he spends ₹ (3x + y), find his savings?
14.A man receives x currency notes of ₹100 denomination and y currency notes
of ₹50 denomination. How much amount does he possess?
15.Simplify:
15 x – ( 8 x3 + 3 x2 – ( 8 x2 – ( 4 – 2 x – x
3
) – 5 x3
) – 2x )



it's okay if it takes time also but answer this with explanation

Answer 1

Answer:

I don't know the answer I'm sorry yeah I know that I did too much but is it too late to say sorry now