Mean proportional to 7 and 63 is .
Answer & explanation
Correct answer: option 2
Mean proportion of a and b = \(\sqrt {a × b }\)
⇒ Mean proportion = \(\sqrt {7 × 63}\) = \(\sqrt {441}\) = 21
Mean proportional to 7 and 63 is .
Correct answer: option 2
Mean proportion of a and b = \(\sqrt {a × b }\)
⇒ Mean proportion = \(\sqrt {7 × 63}\) = \(\sqrt {441}\) = 21