Advertisements
Advertisements
प्रश्न
Find the following squares by suing the identities.
(b − 7)2
Advertisements
उत्तर
(b − 7)2 = (b)2 − 2(b) (7) + (7)2 [(a − b)2 = a2 − 2ab + b2]
= b2 − 14b + 49
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Using a2 − b2 = (a + b) (a − b), find 1532 − 1472
Expand `("a"/2+"b"/3)^2`
Factorise the following expressions
x2 + 14x + 49
Factors of 9x2 + 6xy are
Evaluate the following, using suitable identity
512
Factorise the following using suitable identity
a2 + 6ab + 9b2 – c2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 6x + 9
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x2 + 2ax + 1
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 24x + 16
If p + q = 12 and pq = 22, then find p2 + q2.
