Question

If I À 1= 4 units, A+B = 10 units &
A.(A + B) = 20 units, find B
(A) 176 units (B) 105 units
(C) 21 units
(D) zero​

Answer 1

Explanation:

(c) 21 units

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Answer 2

Answer:

Therefore the answer= root 76 units