Question

Answer in One word or in One sentence. (Marks 05) 1. If a, b, c are in A.P, the find the value of ab + bc ? 2. Airthmetic mean of (a+b)2 and (a-b)2 will be? 3. Fourth term of given G.p³ , , ar, _ _ _ will be. 4. What is relation between A.M and G.M of two numbers ? 5. The value of Sin 18° is ______ ? ​

Answer 1

Answer:

àsqure _b squre

Step-by-step explanation:

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