Advertisements
Advertisements
प्रश्न
Evaluate: (2a + 3) (2a − 3) (4a2 + 9)
बेरीज
Advertisements
उत्तर
(2a + 3) (2a − 3) (4a2 + 9)
= [(2a)2 − (3)2] (4a2 + 9) ...[(a + b) (a − b) = a2 − b2]
= (4a2 − 9) (4a2 + 9)
= (4a2)2 − (9)2 ...[(a + b) (a − b) = a2 − b2]
= 16a4 − 81
shaalaa.com
Product of Sum and Difference of Two Terms
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaluate : (a+1) (a-1) (a2+1)
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:
9.8 x 10.2
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
4.6 x 5.4
Evaluate : `(7"x"+2/3"y")(7"x"-2/3"y")`
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 : (5x + 8y) (3x + 5y)
Evaluate: (m + 3) (m − 3) (m2 + 9)
