2. ਹੇਠਾਂ ਦਿੱਤੀ ਸਮੀਕਰਣ ਵਿੱਚ k ਦਾ ਉਹ ਮੁੱਲ ਪਤਾ ਕਰੋ ਜਿਸ ਲਈ ਦਿੱਤੀ ਗਈ ਸਮੀਕਰਣ ਦੇ ਮੂਲ ਬਰਾਬਰ ਹੋਣ: Find the value of k for the following quadratic equation, so that it should have equal roots: दी गई समीकरण में k का मान ज्ञात करें जिस के लिये समीकरण के मूल बराबर हों: kx²+ 6x + 1 = 0 *
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Step-by-step explanation:
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The dimensions of cuboid are 50×40×25
The Lateral surface area of cuboid is given by 2h(l+b)
Here l=50;b=40;h=25
Lateral surface area is 2×25(50+40)=50(90)=4500
And the base area is given by lb=(40)(50)=2000
So The total area is given by 4500+2000=6500
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