Advertisements
Advertisements
प्रश्न
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
103 x 97
बेरीज
Advertisements
उत्तर
103 x 97 = (100+3) (100−3)
= (100)2 − (3)2
= 10000 − 9
= 9991
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)
Evaluate : (a+b) (a−b) (a2+b2)
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:
7.7 x 8.3
Evaluate: (6 – xy) (6 + xy)
Evaluate : `(7"x"+2/3"y")(7"x"-2/3"y")`
Evaluate : `(3"x"-1/(2"y"))(3"x"+1/(2"y"))`
Evaluate : (2a − 3b) (3a + 4b)
Evaluate: (3a2 − 4b2) (8a2 − 3b2)
Evaluate: (a + bc) (a − bc) (a2 + b2c2)
