Question

x varies y, y varies z, z varies x-এর ভেদ ধ্রুবক গুলি যথাক্রম p,q,r হলে নিচের কোনটি সঠিক হবে :- (a) pqr = 1 (b) p+q+r = 1 (c) p+q+r = 0 (d) pq = 1 and why this option explain this into English
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Answer 1

Answer:

Additionalknowledge

Knowledge about Quadratic equations -

★ Sum of zeros of any quadratic equation is given by ➝ α+β = -b/a

★ Product of zeros of any quadratic equation is given by ➝ αβ = c/a

★ A quadratic equation have 2 roots

★ ax² + bx + c = 0 is the general form of quadratic equation

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