Question Text
Question 5 :
Use a suitable identity to get the product : $(2y + 5) (2y + 5)$
Question 6 :
Using the Identity (III) - $(a+b)(a-b) = a^2 - b^2$ ,find $194 \times 206$
Question 7 :
Obtain the product of the following pair of monomials : 4, 7p
Question 8 :
What will be the product of first monomial $7x^2y$ and second monomial $-9x^2y^2$ ?
Question 9 :
What will be the product of first expression 'a' and second expression 'b+c+d' ?
Question 10 :
Carry out the multiplication of the expression : $4p, q + r$
Question 16 :
State true or false. Expressions that contain exactly two terms is called binomials.
Question 17 :
What will be the product of first expression 'a+b+c' and second expression 'abc' ?
Question 20 :
Find the volume of rectangular box whose length, breadth and height are $m^{2}n$, $n^{2}p$ and $p^{2}m$ respectively.
Question 22 :
A monomial multiplied by a monomial always gives a monomial.Is it TRUE or FALSE?
Question 23 :
Using the Identity (III) : $(a+b)(a-b) = a^2 - b^2$ ,find $(\frac{3}{2}m + \frac{2}{3}n)(\frac{3}{2}m - \frac{2}{3}n)$
Question 26 :
Use the identities to find the product of $(4x – 5) (4x – 1)$