find the value `(6/7xx3/4) + (6/7xx11/4)`

Find the product 5/6xx3/7

7.Find the value of 6^(m-4)=1

Find the value of the 3^(4)xx7^(0)

Find the value of : 11-9+5-6-3+7

Find the product 42/3xx3(3)/(7)xx2(1)/(6)

Find the value of: (3)/(2)times((-7)/(6))-(5)/(6)times(3)/(2)+(11)/(6)times(3)/(2)

Find the value of (18^3+7^3+3xx18xx7xx25) /(3^6+6xx243xx2+15xx18xx4+20xx27xx8+15xx9xx16)

If 1-1/3+1/5-1/7+1/9-1/(11)+=pi/4 , then value of 1/(1xx3)+1/(5xx7)+1/(9xx11)+ is pi//8 b. pi//6 c. pi//4 d. pi//36

Evaluate: 6 xx 3 (3)/(4)

Find the product. -3(6)/(7)xx5(4)/(9)