Using ( a – b ) = ( a2 + b2 + 2ab ) , evalute : (1) (137)2 (2) (1008)2 (3) (11.6)2 About the author Skylar
Step-by-step explanation: 1) 137²=(100+37)² =(100)²+(37)²+2(100)(37) =10000+1396+7400 =18796 2)1008²=(1000+8)² =(1000)²+(8)²+2(1000)(8) =1000000+64+16000 =1016064 3)11.6²=(11+0.6)² =(11)²+(0.6)²+2(11)(0.6) =121+0.36+13.2 =134.56 Reply
Step-by-step explanation:
1) 137²=(100+37)²
=(100)²+(37)²+2(100)(37)
=10000+1396+7400
=18796
2)1008²=(1000+8)²
=(1000)²+(8)²+2(1000)(8)
=1000000+64+16000
=1016064
3)11.6²=(11+0.6)²
=(11)²+(0.6)²+2(11)(0.6)
=121+0.36+13.2
=134.56