Question 6(a)
Find the ratio of the following:
81 to 108
Ratio of 81 to 108 = 81108
= 34 = 3:4 [Dividing numerator and denominator by HCF of 81 and 108 i.e. 27]
Express the following ratio in simplest form:81:108
36a2−81 can be factorized as ______.