Advertisements
Advertisements
प्रश्न
Using a2 − b2 = (a + b) (a − b), find 1532 − 1472
Advertisements
उत्तर
1532 − 1472 = (153 + 147) (153 − 147)
= (300) (6) = 1800
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Use a suitable identity to get the following products.
`(x/2 + (3y)/4)(x/2 + (3y)/4)`
Find the following squares by suing the identities
(xy + 3z)2
Simplify (2.5p − 1.5q)2 − (1.5p − 2.5q)2
Using identities, evaluate 1.05 × 9.5
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 104
Expand:
(10 + y)2
Factors of 9x2 + 6xy are
Evaluate the following, using suitable identity
512
Evaluate the following, using suitable identity
1032
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 30x + 25
