Advertisements
Advertisements
प्रश्न
Simplify:
(s2t + tq2)2 – (2stq)2
Advertisements
उत्तर
We have,
(s2t + tq2)2 – (2stq)2 = (s2t)2 + (tq2)2 + 2 × s2t × tq2 – 4s2t2q2 ...[Using the identity, (a + b)2 = a2 + b2 + 2ab]
= s4t2 + t2q4 + 2s2t2q2 – 4s2t2q2
= s4t2 + t2q4 – 2s2t2q2
APPEARS IN
संबंधित प्रश्न
Show that (9p - 5q)2 + 180pq = (9p + 5q)2
Simplify the following using the formula: (a − b)(a + b) = a2 − b2: (79)2 − (69)2
Find the following product: (z2 + 2) (z2 − 3)
Find the following product: (3x − 4y) (2x − 4y)
Find the following product: \[\left( y^2 + \frac{5}{7} \right)\left( y^2 - \frac{14}{5} \right)\]
Expand the following:
(2x + 3y + 4z)2
Expand the following, using suitable identities.
`(4/5p + 5/3q)^2`
Using suitable identities, evaluate the following.
(52)2
Using suitable identities, evaluate the following.
52 × 53
Perform the following division:
(ax3 – bx2 + cx) ÷ (– dx)
