Solve these sums 1.(3a - 1/a)cube
2.(4a-5b-2c)square
3.If x+y-z= 4 , x^2 + y^2 + z^2 = 30 then find xy-yz-zx
4.(a-1/a) square = 8 then find a+1/a and a sq. c 1 / a sq.
5. If a + 2b =5
then show a3 + 8b3 + 30ab = 125
Brainliest answer will be followed by me .
2.(4a-5b-2c)square
3.If x+y-z= 4 , x^2 + y^2 + z^2 = 30 then find xy-yz-zx
4.(a-1/a) square = 8 then find a+1/a and a sq. c 1 / a sq.
5. If a + 2b =5
then show a3 + 8b3 + 30ab = 125
Brainliest answer will be followed by me .
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