7 + 2 under root 3 upon 8 + 3 root 3 equal to a + b find value of a and b
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Answer:
Step-by-step explanation:
(7+2root3)/(8+3root3)
Multiply and divide by 8-3root3
(7+2root3)(8-3root3)/(8^2 - (3root3)^2)
=( 56 - 18 + 16root3-21root3)/(64-27)
=( 38-5root3)/37
=38/37 - 5root3/37
a = 38/37
b = - 5root3/37
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