KnowledgeBoat Logo
|

Mathematics

Write the additive inverse of :

(i) 5

(ii) -7

(iii) 59\dfrac{5}{9}

(iv) 317\dfrac{-3}{17}

(v) 0

(vi) 1151711\dfrac{5}{17}

(vii) 538-5\dfrac{3}{8}

(viii) -37

(ix) 1

Rational Irrational Nos

1 Like

Answer

The additive inverse of a number is the number which, when added to the original number, results in zero.

(i) Let x be the additive inverse of 5, then :

⇒ 5 + x = 0

⇒ x = -5.

Hence, additive inverse of 5 = -5.

(ii) Let x be the additive inverse of -7, then :

⇒ -7 + x = 0

⇒ x = 7.

Hence, additive inverse of -7 = 7.

(iii) Let x be the additive inverse of 59\dfrac{5}{9}, then :

59\dfrac{5}{9} + x = 0

⇒ x = 59-\dfrac{5}{9}.

Hence,additive inverse of 59=59\dfrac{5}{9} = -\dfrac{5}{9}.

(iv) Let x be the additive inverse of 317-\dfrac{3}{17}, then :

317-\dfrac{3}{17} + x = 0

⇒ x = 317\dfrac{3}{17}.

Hence,additive inverse of 317=317-\dfrac{3}{17} = \dfrac{3}{17}.

(v) Let x be the additive inverse of 0, then :

⇒ 0 + x = 0

⇒ x = 0.

Hence, additive inverse of 0 is 0.

(vi) Let x be the additive inverse of 1151711\dfrac{5}{17}, then :

1151711\dfrac{5}{17} + x = 0

19217\dfrac{192}{17} + x = 0

⇒ x = 19217-\dfrac{192}{17}.

Hence, additive inverse of 11517=1921711\dfrac{5}{17} = -\dfrac{192}{17}.

(vii) Let x be the additive inverse of 538-5\dfrac{3}{8}, then :

538-5\dfrac{3}{8} + x = 0

438-\dfrac{43}{8} + x = 0

⇒ x = 438\dfrac{43}{8}.

Hence, additive inverse of 538=438-5\dfrac{3}{8} = \dfrac{43}{8}.

(viii) Let x be the additive inverse of -37, then :

⇒ -37 + x = 0

⇒ x = 37.

Hence, additive inverse of -37 = 37.

(ix) Let x be the additive inverse of 1, then :

⇒ 1 + x = 0

⇒ x = -1.

Hence, additive inverse of 1 = -1.

Answered By

2 Likes


Related Questions