Add the following:

(i)

(ii)

(iii)

(iv)

Ans.(i)

Add the following: (i) (ii) (iii) (iv) Ans.(i) ab —bc:bc —ca:ca — ab 2 p:q: —3pq 12 ab —bc:bc —ca:ca — ab

Dear Student,

Please find below the solution to the asked query:

We add given terms , As :

i ) Add ab - bc  , bc  - ca   and ca - ab , As :

( ab - bc ) + ( bc  - ca  ) + ( ca - ab )

$\Rightarrow$ab - bc+ bc  - ca + ca - ab

$\Rightarrow$ 0                                                                  ( Ans )

iii ) Add 2p²q² - 3 p q + 4 and 5 + 7  p q - 3  p²q²  , As  :

( 2p²q² - 3 p q + 4 ) + (5 + 7  p q - 3  p²q²  )

$\Rightarrow$2p²q² - 3 p q + 4 +  5 + 7  p q - 3  p²q² 

$\Rightarrow$9 + 4  p q - p²q²                                         ( Ans )


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