Question

find the value of 4cd(c^2+d^2),if c+d=11 and c-d = 1

Answer 1

Answer:

---------------------------c+d = 11c-d = 1Add both eq =) c+d + c-d = 11+1=) 2c = 12=) c= 12/2 = 6Hence d = 11-6= 5.= 4cd(c^2 + d^2) hope its helpfull please mark me as brainlist please request