Question

(i) 4x2 +9y2 +12xy = (2x)2 +(3y)2 + 2x2x x3y
= (2x + 3y).
(ii) a4 + 25b4 -10a²b2 = (ap)2 + (5b2)2 - 2x a? x5b?
(a? -5b2).
EXERCISE 7C
ctorise:
x2 + 8x +16
2. x2 +14x + 49
3.1 + 2x + x?
. 9 +62 +22
5. x2 + bax +9a?
6. 4y² + 20y +25
7. 36a2
36a +9
8. 9m2 +24m +16
1
9. Z2 +2+
4
. 49a2 +84ab +36b2
11. p? -10 p +25
12.12la? -88ab +
3. 1 - 6x + 9x
14. 9y- 12y +4
15. 16x2 - 24x +9
6. m2 - 4mn + 4n2
17. a²b2 - 6abc +9c2 18. m4 +2m?n? +
9. (1+m)2 - 41m
Hint. Given exp. = 1+ m² +2 lm - 4lm = (1 + m² - 2 lm).
2
OF QUADRATIC TRINOMIALS​

Answer 1

Answer:

no way dude I'm a 6AM guy and