In an automatic progression 4th term is 11 and 7th term exist the twice of 4th term by 4 write the arithmetic progression also show that sum of the first term and 13 term of the progression is equal to 127 the term
A carpenter marks two planks of equal length as "A" and "B". If both planks are cut from the same
larger plank, which Euclidean axiom does this represent?