2. Polynomials
easy

યોગ્ય નિત્યસમનો ઉપયોગ કરીને $66 \times 74$ ની કિંમત મેળવો

A

$6587$

B

$4884$

C

$5548$

D

$4621$

Solution

$66 \times 74=(70-4)(70+4)$

$=(70)^{2}-(4)^{2}$

$=4900-16$

$=4884$

Standard 9
Mathematics

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