Advertisements
Advertisements
प्रश्न
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
9.8 x 10.2
योग
Advertisements
उत्तर
9.8 x 10.2 = (10−0.2) (10+0.2)
= (10)2 − (0.2)2
= 100 − 0.04
= 99.96
shaalaa.com
Product of Sum and Difference of Two Terms
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Evaluate : (a+1) (a-1) (a2+1)
Evaluate : (3−2x) (3+2x) (9+4x2)
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: (6 – xy) (6 + xy)
Evaluate : `(3"x"-1/(2"y"))(3"x"+1/(2"y"))`
Evaluate : (a + bc) (a − bc) (a2 + b2c2)
Evaluate : (2a − 3b) (3a + 4b)
Evaluate: (4x2 − 5y2) (4x2 + 5y2)
