5. If 21, a,b, - 3 are in A.P then find the value of (a+b)x21 sorry for this question really sorry
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Answer:
bd qlxbqlxwlcwlh lqhlqbalbalhxwlxhslhxalhxlahxlqbxlqnxlqbxlqbxlqbxlq
Explanation:
shpqhxqlxbqbxlqxl bcc cp
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