Tick ( ) the correct answer: (197 203)= ? - Vidyadip

MCQ

Tick $(\checkmark)$ the correct answer:
$(197 \times 203)=\text { ? }$

✓
$39991$
B
$39999$
C
$40009$
D
$40001$

✓

Answer

Correct option: A.

$39991$

$(197 \times 203)$
$=(200-3)(200+3)$
$=(200)^2-(3)^2$
$=40000-9$
$=39991$

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