Question

Evaluate the following expression and express the answer as a rational number in its standard form. (2^−1+9+5^−1)^−1

Answer 1

Answer:

FIRST SOLVE THE BRACKETS 2*-1 GIVES -2.-2 PLUS 9 IS +7 AND KEEP ASIDE THEN 5 MULTIPLIED -1 TINES GIVES U -5 .+7-5 IS +2 AND AT LAST SOLVE THE NUMBER AFTER BRACKETS 2(-1) GIVES U -2

ANSWER IS -2