Math, asked by shyam263, 1 year ago

a और b के मान बताइए जबकि समीकरण 5x - 4y = 20 और ax + by +1 एक ही सरल रेखा को प्रदर्शित करती हो

Answers

Answered by Swarnimkumar22
5
हल : रेखा 5x - 4y = 20

या 5x - 4y - 20 = 0. ................(1)

तथा रेखा ax + by +1 = 0. ...............(2)

एक ही रेखा के समीकरण है! तब समीकरण (1) तथा (2) की तुलना करने पर,

 \frac{a}{5}  =  \frac{b}{ - 4}  =  \frac{1}{ - 20}

या

 \frac{a}{5}  =  \frac{1}{ - 20}


 a \:  =  -  \frac{5}{20}  =  -  \frac{1}{4}

तथा

 -  \frac{b}{4}  =  \frac{1}{ - 20 }  \\  \\ 20b = 4 \\  \\ b =  \frac{4}{20}  =  \frac{1}{5}


अतः \: a =  -  \frac{1}{4}  \: तथा \: b =  \frac{1}{5}

Swarnimkumar22: Thanks
Answered by MonarkSingh
12
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