Advertisements
Advertisements
Question
Multiply: `2"x"+1/2"y"` and `2"x"-1/2"y"`
Advertisements
Solution
`(2"x"+1/2"y")(2"x"-1/2"y")`
= `2"x"(2"x"-1/2"y")+1/2"y"(2"x"-1/2"y")`
= `4"x"^2-"xy"+"xy"-1/4"y"^2`
= `4"x"^2-1/4"y"^2`
APPEARS IN
RELATED QUESTIONS
Find the product of the following pair of monomial.
4p3, − 3p
Obtain the product of 2, 4y, 8y2, 16y3
Express each of the following product as a monomials and verify the result for x = 1, y = 2: \[\left( - \frac{4}{7} a^2 b \right) \times \left( - \frac{2}{3} b^2 c \right) \times \left( - \frac{7}{6} c^2 a \right)\]
Multiply: −5cd2 by − 5cd2
Multiply: 2m2 − 3m − 1 and 4m2 − m − 1
A total of 90 currency notes, consisting only of ₹ 5 and ₹ 10 denominations, amount to ₹ 500. Find the number of notes in each denomination.
Area of a rectangle with length 4ab and breadth 6b2 is ______.
Multiply the following:
–7pq2r3, –13p3q2r
Multiply the following:
7pqr, (p – q + r)
Multiply the following:
6mn, 0mn
