Advertisements
Advertisements
प्रश्न
Evaluate: (2a + 3) (2a − 3) (4a2 + 9)
योग
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
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Evaluate : (2a−b) (2a+b) (4a2+b2)
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
21 x 19
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:
7.7 x 8.3
Evaluate: (6 – xy) (6 + xy)
Evaluate : `("a"/(2"b")+(2"b")/"a")("a"/(2"b")-(2"b")/"a")`
Evaluate : (a + bc) (a − bc) (a2 + b2c2)
Evaluate : (5x + 8y) (3x + 5y)
Evaluate : (2a − 3b) (3a + 4b)
Evaluate: (3x + 4y) (3x − 4y) (9x2 + 16y2)
