45+55
√9a^2+12ab+4b^2
express 650ml as a percentage of 13.5litres
roy bought a pair of wellies.
He bought the wellies when there was 20% off the normal price.
He paid £32 for them.
What w...
5/6/5/7
Find the concentration of holes & electrons in the P-type silicon at
3000Kassuming its resistivity as 0.02Ω-cm, µp=475cm2
/vs ...
5/6*5/7
[(+3)-(+4)]+(-6)
30 x .15
√a^2-10a+25