3. Simpiify the following for ‘a' in
(a/21) × (a/189)= 1.
(a) 23
(b) 33
(C) 63
(d) 73
Answers
Answered by
3
Answer:
a=63
Step-by-step explanation:
a a
---- ----- =1
21 189
a^2 =21×189
a^2 =21×21×9
a^2 =( 21)^2×(3)^2
a =21 ×3
a =63
Answered by
1
Answer:
a = 63 it is the correct answer
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