How to represent root 8.37 on real number line?
Find the summation of the first n term 1+(1+4)+(1+4+7)+(1+4+7+10)+....
in the figure, ba perpendicular to ac, de perpendicular to df such that ba = de and bf = ec. show that triangle abc is congruent to triangle def.
How many arrangements can be made from the letters of word THEREFORE taking 4 at a times