Advertisements
Advertisements
प्रश्न
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
4.6 x 5.4
योग
Advertisements
उत्तर
4.6 x 5.4 = (5−0.4) (5+0.4)
= (5)2 − (0.4)2
= 25 − 0.16
= 24.84
shaalaa.com
Product of Sum and Difference of Two Terms
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
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:
9.8 x 10.2
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
7.7 x 8.3
Evaluate : `(7"x"+2/3"y")(7"x"-2/3"y")`
Evaluate: (2a + 3) (2a − 3) (4a2 + 9)
Evaluate : (9a − 7b) (3a − b)
Evaluate: (a2 + 5) (a2 − 3)
Evaluate: (3a2 − 4b2) (8a2 − 3b2)
Evaluate: (4x2 − 5y2) (4x2 + 5y2)
Evaluate: (3x + 4y) (3x − 4y) (9x2 + 16y2)
