Advertisements
Advertisements
प्रश्न
Evaluate : (9a − 7b) (3a − b)
बेरीज
Advertisements
उत्तर
(9a − 7b) (3a − b)
= 9a (3a − b) − 7b (3a − b)
= 27a2 − 9ab − 21ab + 7b2
= 27a2 − 30ab + 7b2
shaalaa.com
Product of Sum and Difference of Two Terms
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaluate : (3−2x) (3+2x) (9+4x2)
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
33 x 27
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
103 x 97
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
7.7 x 8.3
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
4.6 x 5.4
Evaluate : `("a"/(2"b")+(2"b")/"a")("a"/(2"b")-(2"b")/"a")`
Evaluate : `(3"x"-1/(2"y"))(3"x"+1/(2"y"))`
Evaluate : (7x + 15y) (5x − 4y)
Evaluate: (3a2 − 4b2) (8a2 − 3b2)
Evaluate: (3x + 4y) (3x − 4y) (9x2 + 16y2)
