Advertisements
Advertisements
प्रश्न
Find the following squares by suing the identities
(xy + 3z)2
Advertisements
उत्तर
(xy + 3z)2 = (xy)2 + 2(xy) (3z) + (3z)2 [(a + b)2 = a2 + 2ab + b2]
= x2y2 + 6xyz + 9z2
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Using identities, evaluate 297 × 303
Using a2 − b2 = (a + b) (a − b), find (1.02)2 − (0.98)2
Use the formula to multiply the following.
(x + y) (x − y)
Expand: (2x + 3y)2
Simplify: (a + b)2 – 4ab
The sum of areas of two squares with sides 4a and 4b is ______.
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 24x + 16
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x3 + 2abx2 + b2x
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
4x4 + 12x3 + 9x2
Factorise `x^2 + 1/x^2 + 2 - 3x - 3/x`.
