Advertisements
Advertisements
प्रश्न
Use a suitable identity to get the following products.
(− a + c) (− a + c)
Advertisements
उत्तर
(− a + c) (− a + c) = (− a + c)2
= (− a)2 + 2(− a) (c) + (c)2 [(a + b)2 = a2 + 2ab + b2]
= a2 − 2ac + c2
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Using identities, evaluate 992
Using identities, evaluate (5.2)2
Using a2 − b2 = (a + b) (a − b), find (1.02)2 − (0.98)2
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 5.1 × 5.2
Use the formula to multiply the following.
(a + 6) (a − 6)
Expand: `("p"/3 + "q"/4)^2`
Using identity, find the value of (100.1)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
`x^2/4 + 2x + 4`
Factorise the following.
x2 + 9x + 20
Verify the following:
(5x + 8)2 – 160x = (5x – 8)2
