गुणफल ज्ञात कीजिए :
(i) `(a^2)(2a^22)xx(4a^26)`
(ii) ` ((2)/(3)xy)xx((-9)/(10)x^2y^2)`
(iii) ` (-(10)/(3)pq^3)xx((6)/(5)p^3q)`
(iv) `x xx x^2 xx x^3 xx x^4`.

Answer

(i) ` 8a^50`
(ii) ` -(3)/(5)x^3y^3`
(iii) ` -4p^4q^4`
(iv) ` x^10`.