Question

if a=2/3,b=7/8,verify (a) a×b=b×a (b)a+b=b+a​

Answer 1

Answer:

given ,

a=2/3,b=7/8

a) a×b=2/3×7/8

=7/12

& b×a=7/8×2/3

=7/12

verify that a×b=b×a

b)a+b=2/3+7/8= 37/24

and

b+a=7/8+2/3= 37/24

verify that a+b=b+a

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Answer 2

Answer:

a=2/3

b=7/8

axb=bxa

a+b=b+a

They are same

Step-by-step explanation:

a)

axb=2/3x7/8=14/24=7/12

bxa=7/8x2/3=14/24=7/12

Therefore, axb=bxa

b)

a+b=2/3+7/8=16+21/24=37/24

b+a=7/8+2/3=21+16/24=37/24