engineering recuitment ISRO Scientific Assistant Physics 2020 Mathematics Quadratic Equations

यदि समीकरण x² + px + q = 0 के मूल tan 19° और tan 26° हैं, तो निम्नलिखित में से कौन सा एक सही है?

1

q – p = 1

2

p – q = 1

3

p + q = 2

4

p + q = 3

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