of the prayerxample 6 Fiad the dimensionssation : In Section 4.1., we found that ieo- o Applying thethe equation 2r' +1-300%0.2r-24r + 25r- 300-25-12)-o12X21 +25)oSo, the roots of the given equation areThas the breadth of the hall is 12 m. Its lenprescnt age sof the hall. it cannot begth 2tpositive mumhEXERCISE 42onsider he-9 Takin1. Find the roots of the follow ing quadratics of the eVr-0(iv) 2i-rithe ro(v) 100 20r+1=02 Solve the problens given in Evampie .3 Fiad two nambers whose4 Fiad two coasecutive positive integers, sum of whoseS. The alarude of a right ariangle is 7cm less than its busesum is 27 and product is 1825. The alinude of a right triangle is 7emthe other two sides,Acoage industry prodices a certain number of poceyon a purticular day that the cost of production of each uricietwice the number of articles praduced on that day. Etheday was 90 find the number of articles proiuced und be44 Solution of a Quadratic Equation by CompletingIn the prev ious section, you have learnt one methou of obuiningquation. In this section, we shall study another imethodConsider the following situation:The product of Sunita's age (in yearsi wo yeurs

of the prayerxample 6 Fiad the dimensionssation : In Section 4.1., we

1.	of the prayerxample 6 Fiad the dimensionssation : In Section 4.1., we found that ieo- o Applying thethe equation 2r' +1-300%0.2r-24r + 25r- 300-25-12)-o12X21 +25)oSo, the roots of the given equation areThas the breadth of the hall is 12 m. Its lenprescnt age sof the hall. it cannot begth 2tpositive mumhEXERCISE 42onsider he-9 Takin1. Find the roots of the follow ing quadratics of the eVr-0(iv) 2i-rithe ro(v) 100 20r+1=02 Solve the problens given in Evampie .3 Fiad two nambers whose4 Fiad two coasecutive positive integers, sum of whoseS. The alarude of a right ariangle is 7cm less than its busesum is 27 and product is 1825. The alinude of a right triangle is 7emthe other two sides,Acoage industry prodices a certain number of poceyon a purticular day that the cost of production of each uricietwice the number of articles praduced on that day. Etheday was 90 find the number of articles proiuced und be44 Solution of a Quadratic Equation by CompletingIn the prev ious section, you have learnt one methou of obuiningquation. In this section, we shall study another imethodConsider the following situation:The product of Sunita's age (in yearsi wo yeurs
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