Question

Exercise 3.4
Expand the following:
(i) (x + 2y + 32)
Bb)
(ii) (-p+2q + 3r)?
(iii) (2p+3)(2p – 4)(2p – 5) (iv) (3a +1)(3a − 2)(3a + 4)
(36)'Using algebraic identity, find the coefficients of x², x and constant term without
actual expansion.
(i) (x + 5)(x+6)(x + 7) (ii) (2x + 3)(2x – 5)(2x — 6)
1. If (x + a)(x+b)(x +c) = 2° +140° +59x + 70, find the value of
- 22
(i) a+b+c (ii) +-+ (iii) a² +62 +62
(iv)
с
1. Expand:
(i) (3a – 46) (ii) x +
y
Evaluate the following by using identities:
(ii) 10013
If (x + y + 2) = 9 and (xy + yz + zx) = 26, then find the value of x² +
1
1
1 h
a
b
a
+
and sid:
с
+
ab
bc
ac
1
3
.
(i) 983
with
5.
2.​

Answer 1

Answer:

this is too long........