*(x²-8x-20) ਦਾ ਗੁਣਨਖੰਡੀਕਰਣ ਹੋਵੇਗਾ :* 1️⃣ (x+10)(x-2) 2️⃣ (x-10)(x+2) 3️⃣ (x-5)(x+4) 4️⃣ (x+5)(x-4)
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What are polyatomic ions? Give examples?
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What are polyatomic ions? Give examples?
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