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Gaurang Kothale

· started a discussion

· 1 Months ago

expain (Question: 122244.0 )

Please explain more.

Question:
Direction :What should come in place of question mark (?) in the following questions?


(3?)?= 19683 

Options:
A) 1
B) 2
C) 3
D) 4
E) 7
Solution:

(3?)?= 19683 


(3?)?= (33)3


(3)?x?= (3)3x3


?x? = 3x3


?2 = 32


?=3

kanhaiya jha

· commented

· 1 Months ago

(3^?)^?= 19683

(3^?)^?= (3^3)^3 = 27x27x27 = 19683

(3)^(?x?)= (3)^(3x3)

[Since, when the bases are same then we equate power]

?x? = 3x3

?^2 = 3^2

[Since, when the powers are same then we equate bases]

?=3
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