Question

I am not getting Q24 and Q25 ...
Plzz Help me to solve this....
Explain nicely and with full explanation......

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Answer 1

answer is 2/3

Step-by-step explanation:

Q 24

(-1)^2 - 1/2(-1)^2 • 1/3 (-1)^2 + 1/(-1)^2

(1 - 1/2) • ( 1/3×1 + 1/1)

( 2-1/2) • ( 1/3 + 1/1 )

( 2-1/2) • ( 1+3/3)

(1/2) • (4/3)

= 4/6 = 2/3

question 25

( 3/5 (-1) + 2/2) • [5/3 (-1) + 6(2)]

(-3/5 + 1) • ( -5/3 + 12 )

(-3 + 5/5 ) • ( -5 + 36/ 3)

(2/5) • ( 31/3)

62/ 15

Hope this help and please let me now if this is correct answer