Advertisements
Advertisements
प्रश्न
Use a suitable identity to get the following products.
(1.1m − 0.4) (1.1 m + 0.4)
Advertisements
उत्तर
The products will be as follow
(1.1m − 0.4) (1.1 m + 0.4)
= (1.1m)2 − (0.4)2 [(a + b) (a − b) = a2 − b2]
= 1.21m2 − 0.16
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Simplify (ab + bc)2 − 2ab2c
Using identities, evaluate (5.2)2
Using identities, evaluate 8.92
Expand (ax + by)2
If a + b = 5 and a2 + b2 = 13, then ab = ?
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x2 + 2abxy + b2y2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x3 + 2abx2 + b2x
Factorise the following.
y2 + 18x + 65
Factorise the following.
18 + 11x + x2
The height of a triangle is x4 + y4 and its base is 14xy. Find the area of the triangle.
