Advertisements
Advertisements
प्रश्न
Expand the following square, using suitable identities
(mn + 3p)2
Advertisements
उत्तर
(mn + 3p)2
Comparing (mn + 3p)2 with (a + b)2 we have
(a + b)2 = a2 + 2ab + b2
(mn + 3p)2 = (mn)2 + 2(mn)(3p) + (3p)2
(mn + 3p)2 = m2n2 + 6mnp + 9p2
APPEARS IN
संबंधित प्रश्न
Use a suitable identity to get the following products.
(x + 3) (x + 3)
Find the following squares by suing the identities.
(2xy + 5y)2
Using identities, evaluate 8.92
Using (x + a) (x + b) = x2 + (a + b) x + ab, find 103 × 98
Use an expansion formula to find the value.
(1005)2
Use the formula to multiply the following.
(x + y) (x − y)
If a + b = 10 and ab = 18, find the value of a2 + b2
(a + b)2 = a2 + b2
Verify the following:
(5x + 8)2 – 160x = (5x – 8)2
Find the length of the side of the given square if area of the square is 625 square units and then find the value of x.
