Advertisements
Advertisements
प्रश्न
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
33 x 27
योग
Advertisements
उत्तर
33 x 27 = (30+3) (30−3)
= (30)2 − (3)2
= 900 − 9
= 891
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)
Evaluate : (3−2x) (3+2x) (9+4x2)
Evaluate : (3x−4y) (3x+4y) (9x2+16y2)
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
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 : (a + bc) (a − bc) (a2 + b2c2)
Evaluate: (3x + 4y) (3x − 4y) (9x2 + 16y2)
