Fill in the blanks - i-Additive inverse of -5-12- ii-5-12-its additive inverse- iii-Ifa-bis additive inverse of -c-d-then-c-d is additive inverse of -Alsoa-b-c-d-a-b-

(i) Additive inverse of 5/ 12= 5/12 (ii) 5/ 12+its additive inverse= 5/ 15+( 5/15 ) =0 (iii) Ifa/bis additive inverse of c/d, then c/dis additive inverse ...

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Byju's Answer

Standard VIII

Mathematics

Inverse Properties of Mathematical Operations

Fill in the b...

Question

Fill in the blanks :
$(i) Additive inverse of \frac{- 5}{- 12} = . . . . . . . (i i) \frac{- 5}{- 12} + its additive inverse = . . . . . . . (i i i) I f \frac{a}{b} i s a d d i t i v e i n v e r s e o f \frac{- c}{d}, then \frac{- c}{d} i s a d d i t i v e i n v e r s e o f . . . . . . Also \frac{a}{b} + \frac{(- c)}{d} + \frac{a}{b} = . . . . . . .$

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Solution

$(i) Additive inverse of \frac{- 5}{- 12} = - \frac{5}{12} (i i) \frac{- 5}{- 12} + its additive inverse = \frac{- 5}{- 15} + (- \frac{5}{15}) = 0 (i i i) If \frac{a}{b} is additive inverse of \frac{- c}{d}, t h e n \frac{- c}{d} is additive inverse of \frac{a}{b} . Also \frac{a}{b} + \frac{(- c)}{d} - \frac{(- c)}{d} + \frac{a}{b} = 0.$

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Fill in the blanks : (i) Additive inverse of −5−12=...... .(ii) −5−12+its additive inverse=...... .(iii) Ifabisadditiveinverseof−cd,then−cdisadditiveinverseof..... .Alsoab+(−c)d+ab=...... .

(i) Additive inverse of −5−12=−512(ii) −5−12+its additive inverse=−5−15+(−515)=0(iii) Ifabis additive inverse of −cd, then −cdis additive inverse of ab.Also ab+(−c)d−(−c)d+ab=0.