Question

Please Answer the Question ...it will be helpful for ur IQ Also​

Answer 1

★Answer

(a) True

(b) False

(c)True

(d) True

★Explanation:-

$( a) \: \: ( - 21) + 1 3 = 13 + ( - 21) \\ \\ \implies - 8 = - 8 \\ \\ \implies \: Lhs = Rhs \\ \\ (b)34 - (9 - 15) = (34 - 9) - 15\\ \\ \implies 34 - ( - 6) = 25 - 15 \\ \\ \implies 40 = 10 \\ \\ \implies Lhs \: ≠ \: Rhs \\ \\(c) [- 5 + 7] + ( - 18) = 7 + [( - 5) + ( - 18)] \\ \\ \implies \: 2 - 18 = 7 + ( - 23) \\ \\ \implies \: - 6 = - 6 \\ \\ Lhs = Rhs \\ \\ (d)876 + ( - 876) = ( - 876) - ( - 876) \\ \\ \implies0 = 0 \\ Lhs = Rhs$

Answer 2

Answer:

★ Answer ★

➡ TRUE

➡ FALSE

➡ TRUE

➡ TRUE