Anmolpreetkaur74idn
Answered

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pls solve this numerical.​

Pls Solve This Numerical class=

Sagot :

Beickeridn

Answer:

[tex]{ \rm{A .B = |A| |B| \sin( \theta) }} \\ { \rm{A.B = 5 \times 7 \times \sin(45) }} \\ { \rm{A.B = 35 \times \frac{1}{ \sqrt{2} } }} \\ \\ { \rm{A.B = \frac{35}{ \sqrt{2} } }}[/tex]

rationalise the denominator;

[tex]{ \rm{A.B = \frac{35}{ \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } }} \\ \\ { \rm{A.B = \frac{35 \sqrt{2} }{2} }}[/tex]

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