Find the HCF of 81 and 237 and express it as a linear combination of 81 and 237.

Find the HCF of 55 and 210 .express it as a linear combinaton of 55 and 210, i.e.HCF of 55 and 210=210a+55b, for some a andb

Find the HCF and express as linear combination of them : 1288 and 575

Express the HCF of numbers 72 and 124 as a linear combination of 72 and 124.

Find the HCF of the following pairs of integers and express it as a linear combination of them. (i) 506 and 1155

Find the HCF of the numbers : 81, 99

Find the HCF and LCM of 8/9 , 10/29 and 16/81

Find the square root of 81.

Find the range of the expression 27^(cos 2x) 81^(sin 2x)

Find the HCF of the following numbers: 18,54,81