Advertisements
Advertisements
प्रश्न
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
a2x3 + 2abx2 + b2x
Advertisements
उत्तर
We have,
a2x3 + 2abx2 + b2x
= x(a2x2 + 2abx + b2)
= x[(ax)2 + 2 × ax × b + b2]
= x(ax + b)2
= x(ax + b)(ax + b)
APPEARS IN
संबंधित प्रश्न
Find the following squares by suing the identities.
(6x2 − 5y)2
Expand the following square, using suitable identities
(2x + 5)2
Expand the following square, using suitable identities
(mn + 3p)2
Evaluate the following, using suitable identity
1032
(a + b)2 = a2 + b2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
Factorise the following.
p2 + 14p + 13
The area of a square is 9x2 + 24xy + 16y2. Find the side of the square.
The height of a triangle is x4 + y4 and its base is 14xy. Find the area of the triangle.
If a2 + b2 = 74 and ab = 35, then find a + b.
