Question

63 : 27 :: 59 : 42 :: 96 : 45 :: 56 : ?​

Answer 1

Answer:

the answer is 33

Step-by-step explanation:

6 + 3 × 3 = 27

5 + 9 × 3 = 42

9 + 6 × 3 = 45

and the last one that is missing

5 + 6 × 3 = 33

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Answer 2

Step-by-step explanation:

is given that ,

x + 1/x = 7 -----(

We know the algebraic identity,

a³ + b³ + 3ab ( a + b ) = ( a + b )³

Or

a³ + b³ = ( a + b )³ - 3ab( a + b

x³ + 1/x³ = (x + 1/x )³- 3 × x ×1/x(x + 1/x )

= ( x + 1/x )³ - 3( x + 1/x )

= 7³ - 3 × 7

= 7( 7² - 3 )

= 7 ( 49 - 3 )

= 7 × 46

= 322